package com.jianchunxc;
//检查类加载可以借助JVM参数：-XX:+TraceClassLoading
public class HelloWorld {
    public static void main(String[] args) {//接收运行时传入的参数
        System.out.println("HelloWorld");
        System.out.println(args[0]);//不传值，会出现数组下标越界
    }
}
